Reply by PurpLev

dont forget that with 2 upper filters you’ll need 2 replacement Wynn filters which will jack the price up considerably which might put the final price so that it could be just worth getting a new cyclone from Grizzly.

I’m not sure what the final numbers are -but my point is you might want to run all those numbers now and see what you get before investing time money and frustration going the lesser path.